Kandil, H., Abdel-Fattah, M. (2008). EFFECT OF PEANUT COMPOST AND /OR COBALT APPLICATION ON COWPEA PLANTS GROWTH, YIELD PARAMETERS AND NUTRIENTS CONTENT.. Journal of Soil Sciences and Agricultural Engineering, 33(1), 917-924. doi: 10.21608/jssae.2008.166863
Hala A. Kandil; M.S. Abdel-Fattah. "EFFECT OF PEANUT COMPOST AND /OR COBALT APPLICATION ON COWPEA PLANTS GROWTH, YIELD PARAMETERS AND NUTRIENTS CONTENT.". Journal of Soil Sciences and Agricultural Engineering, 33, 1, 2008, 917-924. doi: 10.21608/jssae.2008.166863
Kandil, H., Abdel-Fattah, M. (2008). 'EFFECT OF PEANUT COMPOST AND /OR COBALT APPLICATION ON COWPEA PLANTS GROWTH, YIELD PARAMETERS AND NUTRIENTS CONTENT.', Journal of Soil Sciences and Agricultural Engineering, 33(1), pp. 917-924. doi: 10.21608/jssae.2008.166863
Kandil, H., Abdel-Fattah, M. EFFECT OF PEANUT COMPOST AND /OR COBALT APPLICATION ON COWPEA PLANTS GROWTH, YIELD PARAMETERS AND NUTRIENTS CONTENT.. Journal of Soil Sciences and Agricultural Engineering, 2008; 33(1): 917-924. doi: 10.21608/jssae.2008.166863
EFFECT OF PEANUT COMPOST AND /OR COBALT APPLICATION ON COWPEA PLANTS GROWTH, YIELD PARAMETERS AND NUTRIENTS CONTENT.
Plant Nutrition Dept., National Research Centre, Dokki, Egypt
Abstract
A pot experiment was conducted to study the effect of two levels of cobalt (0 & 7.5 ppm) and peanut compost rates (0, 5, 10, 15 and 20 ton/fed.) on growth, nodules formation, yield and nutrients status of cowpea plants were grown in Nobaria farm as a newly reclaimed soil.
The obtained results revealed that addition of cobalt (7.5 ppm) significantly increased plant growth, nodules number, fresh and dry weights of shoots and roots contents of (N, P, K, Co and Mn) in the different parts of cowpea plants, yield parameter, as well as protein percentage of grains as compared to the plants which untreated with cobalt. Iron content had another trend, where it decreased by cobalt addition.
Peanut compost rates significantly increased all the growth, yield parameters and nutrients content as compared to control treatment. The highest values were obtained by addition of 15 ton/fed peanut compost except iron content, followed by 20, 10 and 5 ton/fed in decreasing order.
The interaction between cobalt and peanut compost rate significantly affected all the mentioned parameters. The highest values of all the studied parameters except iron content were obtained by cobalt addition (7.5 ppm) in combination with rate of 15 ton/fed.
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